Published:
September 22, 2015
Last updated:
July 27, 2026

Key Takeaways

  • Lenders typically verify identity, income, assets, debts, and sometimes property details.
  • Common mortgage documents include two years of tax information, asset statements, debt records, and recent income verification.
  • Self-employed and 1099 borrowers usually need extra records such as tax returns, profit and loss statements, and business documentation.
  • Missing pages, undocumented large deposits, outdated pay stubs, and unexplained credit inquiries can delay underwriting.
In This Article

Getting ready for a mortgage application is easier when you know what lenders are trying to verify. In most cases, they review your identity, income, assets, debts, and, when applicable, property-related information. The exact documents requested can vary based on whether you are seeking preapproval or moving through full underwriting, as well as how you earn your income.

Tax Information From The Previous Two Years

One of the most important documents a borrower may be asked for is their federal tax return, along with a signed Form 4506-T, which allows the lender to request tax information directly from the IRS for comparison. Depending on the loan file and underwriting review, lenders may ask for personal tax returns and, in some cases, additional tax-related documentation to support the income being used for qualification.

Documentation On All Owned Assets

The mortgage lender will require proof of the assets you plan to use for the transaction and may also review other available funds. This can include bank statements, mutual fund statements, investment account records, and documentation for other real estate you own. Lenders review these records to confirm available funds, reserves, and the source of money being used for the mortgage.

Documentation On All Owed Debts

The mortgage lender will also want documentation on your current debts and monthly obligations. This can include student loans, credit cards, auto loans, and other required payments. Providing complete information helps the lender evaluate your debt-to-income picture and identify any items that may need follow-up during underwriting.

Income Documents For Salaried Or Hourly Borrowers

For borrowers who are paid by an employer, lenders commonly request a combination of recent pay stubs, W-2 forms, and employer verification. They may review more than one year of income history to determine whether earnings have been steady and whether the income being used to qualify is likely to continue.

Income Documents For 1099 Contractors, Self-Employed Borrowers, And Business Owners

Borrowers with 1099 income or self-employment income usually need to provide more documentation than a typical W-2 employee. Depending on how the income is earned, lenders may request two years of tax returns, profit and loss statements, and other business records. For self-employed borrowers, the lender must evaluate personal income together with any business income or loss reported in the file, so additional supporting documentation may be required if underwriting findings call for it.

Common Document Mistakes That Can Delay Your Mortgage

Even when borrowers provide most of the right paperwork, delays can happen when documents are incomplete or no longer current. Common issues include missing pages from bank statements, large deposits that are not documented, outdated pay stubs, unexplained credit inquiries, and incomplete records for assets or debts. Reviewing your paperwork before you submit it can help reduce follow-up requests and keep the process moving.

Have Questions About Mortgages?

Sammamish Mortgage can help. We serve clients across Washington, Idaho, Colorado, Oregon, and California. Since 1992, we’ve been providing several mortgage programs and products with flexible qualification criteria to borrowers across the Pacific Northwest. Visit our website to get an instant rate quote or to use our online mortgage calculator. Or, reach out to us if you are ready to get pre-approved for a mortgage.

FAQs

What documents do I need for mortgage preapproval?

For preapproval, lenders often start with documents that show your income, assets, debts, and overall financial profile. The exact list can vary, and additional documentation may be requested later if you move forward into full underwriting.

Do I need the same documents for preapproval and underwriting?

Not always. Preapproval may require a shorter document list, while full underwriting often involves more detailed review and follow-up documentation based on the loan program and your financial situation.

Why do lenders ask for bank statements?

Lenders use bank statements to verify available funds, confirm reserves when needed, and review the source of money being used for the transaction. They may also ask about large deposits if those deposits need clarification.

Can a lender ask for updated documents after I apply?

Yes. If documents expire, if underwriting takes additional time, or if the lender needs to verify changes, updated pay stubs, bank statements, or other records may be requested later in the process.

What extra documents do self-employed borrowers usually need?

Self-employed borrowers and many 1099 contractors are often asked for tax returns, profit and loss statements, and other records that help the lender evaluate both personal income and business results.

What documentation is required for a mortgage application?

In most cases, lenders review documents related to your identity, income, assets, debts, and, when applicable, property details. The exact paperwork depends on the loan stage and how you earn your income.

What documents do I need to get approved for a mortgage?

Borrowers are commonly asked for income documents such as pay stubs, W-2 forms, or tax returns, along with bank or investment statements and records of current debts. Additional documents may be required if underwriting needs more support for the income or funds being used.

How far back do mortgage lenders look at income and tax returns?

Lenders may review more than one year of income history for salaried or hourly borrowers, and self-employed or 1099 borrowers often need to provide two years of tax returns. They may also use a signed Form 4506-T to compare tax information with IRS records.

What asset documents do mortgage lenders usually ask for?

Lenders may request bank statements, mutual fund statements, investment account records, and documentation for other real estate you own. These documents help verify available funds, required reserves, and the source of money used for the transaction.

What document mistakes can delay a mortgage application?

Common delays come from missing pages on bank statements, undocumented large deposits, outdated pay stubs, unexplained credit inquiries, and incomplete records for assets or debts. Submitting complete and current paperwork can help reduce follow-up requests.